2000/05/31 by J. Schaffner-Bielich, Jürgen Schaffner–Bielich, A. Gal · 3 citations
Earth and Planetary Sciences · Physics and Astronomy · #Binding energy #Energy (signal processing) #Hadron #High-pressure geophysics and materials #Hyperon #Lambda #Nuclear matter #Nuclear physics #Nucleon #Particle physics #Physics #Pulsars and Gravitational Waves Research #Quantum Chromodynamics and Particle Interactions #Quantum mechanics #Strangeness #hep-ph #nucl-th
paper · pdf · doi:10.1103/physrevc.62.034311
published as Phys.Rev. C62 (2000) 034311 · 15 pages, 6 figures, uses Revtex, minor text revision, to appear in Phys. Rev. C
arxiv created 2000/06/19 · openalex publication_date 2000/08/18 · arxiv updated 2009/11/30 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/05
The hyperon-hyperon potentials due to a recent SU(3) Nijmegen soft-core potential model are incorporated within a relativistic mean field calculation of strange hadronic matter. We find considerably higher binding energy in bulk matter compared to several recent calculations which constrain the composition of matter. For small strangeness fractions (fS\ensuremath\lesssim1), matter is dominated by N\ensuremathΛ\ensuremathΞ composition and the calculated binding energy closely follows that calculated by using the hyperon potentials of our previous calculations. For larger strangeness fractions (fS\ensuremath\gtrsim1), the calculated binding energy increases substantially beyond any previous calculation due to a phase transition into N\ensuremathΣ\ensuremathΞ dominated matter. We also compare bulk matter calculations with finite system calculations, again highlighting the consequences of reducing the Coulomb destabilizing effects in finite strange systems.